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Code Issues Releases Wiki Activity

add experimental key/value storage for plugins

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This commit is contained in:
Andrew Dolgov
2012-12-27 16:55:25 +04:00
parent 0f28f81f89
commit d8a1d2a25b
3 changed files with 99 additions and 5 deletions
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86
classes/pluginhost.php
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@@ -1,10 +1,17 @@
<?php
/* create table ttrss_plugin_storage
(id serial not null primary key, name varchar(100) not null,
owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
content text not null) - not in schema yet
*/
class PluginHost {
private $link;
private $hooks = array();
private $plugins = array();
private $handlers = array();
private $commands = array();
private $storage = array();
private $owner_uid;
const HOOK_ARTICLE_BUTTON = 1;
const HOOK_ARTICLE_FILTER = 2;
@@ -21,6 +28,10 @@ class PluginHost {
function __construct($link) {
$this->link = $link;
$this->storage = $_SESSION["plugin_storage"];
if (!$this->storage) $this->storage = array();
}
private function register_plugin($name, $plugin) {
@@ -75,9 +86,11 @@ class PluginHost {
$this->load(join(",", $plugins), $kind);
}
function load($classlist, $kind) {
function load($classlist, $kind, $owner_uid = false) {
$plugins = explode(",", $classlist);
$this->owner_uid = (int) $owner_uid;
foreach ($plugins as $class) {
$class = trim($class);
$class_file = strtolower(basename($class));
@@ -194,5 +207,76 @@ class PluginHost {
}
}
function load_data($force = false) {
if ($this->owner_uid && (!$_SESSION["plugin_storage"] || $force)) {
$plugin = db_escape_string($plugin);
$result = db_query($this->link, "SELECT name, content FROM ttrss_plugin_storage
WHERE owner_uid = '".$this->owner_uid."'");
while ($line = db_fetch_assoc($result)) {
$this->storage[$line["name"]] = unserialize($line["content"]);
}
$_SESSION["plugin_storage"] = $this->storage;
}
}
private function save_data($plugin) {
if ($this->owner_uid) {
$plugin = db_escape_string($plugin);
db_query($this->link, "BEGIN");
$result = db_query($this->link,"SELECT id FROM ttrss_plugin_storage WHERE
owner_uid= '".$this->owner_uid."' AND name = '$plugin'");
if (!isset($this->storage[$plugin]))
$this->storage[$plugin] = array();
$content = db_escape_string(serialize($this->storage[$plugin]));
if (db_num_rows($result) != 0) {
db_query($this->link, "UPDATE ttrss_plugin_storage SET content = '$content'
WHERE owner_uid= '".$this->owner_uid."' AND name = '$plugin'");
} else {
db_query($this->link, "INSERT INTO ttrss_plugin_storage
(name,owner_uid,content) VALUES
('$plugin','".$this->owner_uid."','$content')");
}
db_query($this->link, "COMMIT");
}
}
function set($sender, $name, $value, $sync = true) {
$idx = get_class($sender);
if (!isset($this->storage[$idx]))
$this->storage[$idx] = array();
$this->storage[$idx][$name] = $value;
$_SESSION["plugin_storage"] = $this->storage;
if ($sync) $this->save_data(get_class($sender));
}
function get($sender, $name, $default_value) {
$idx = get_class($sender);
if (isset($this->storage[$idx][$name])) {
return $this->storage[$idx][$name];
} else {
return $default_value;
}
}
function get_all($sender) {
$idx = get_class($sender);
return $this->storage[$idx];
}
}
?>